LEASES - Weighted average remaining lease term and discount rate (Details) |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Weighted-average remaining lease term (in years) | |||
| Operating leases | 2 years 29 days | 2 years 4 months 17 days | 2 years 5 months 4 days |
| Weighted-average discount rate | |||
| Operating leases | 3.40% | 3.80% | 4.30% |
| Land use rights | |||
| Weighted-average remaining lease term (in years) | |||
| Operating leases | 38 years 8 months 4 days | 39 years 8 months 4 days | 43 years 2 months 4 days |
| Weighted-average discount rate | |||
| Operating leases | 4.00% | 4.00% | 4.70% |